EP2080570A1 - Plaques d'impression - Google Patents

Plaques d'impression Download PDF

Info

Publication number
EP2080570A1
EP2080570A1 EP08000936A EP08000936A EP2080570A1 EP 2080570 A1 EP2080570 A1 EP 2080570A1 EP 08000936 A EP08000936 A EP 08000936A EP 08000936 A EP08000936 A EP 08000936A EP 2080570 A1 EP2080570 A1 EP 2080570A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
raised portion
datum
working area
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08000936A
Other languages
German (de)
English (en)
Inventor
Sven Billgren
Christopher Carey Hopkinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ball Beverage Packaging Europe Ltd
Original Assignee
Rexam Beverage Can Europe Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rexam Beverage Can Europe Ltd filed Critical Rexam Beverage Can Europe Ltd
Priority to EP08000936A priority Critical patent/EP2080570A1/fr
Priority to ES09702587T priority patent/ES2366021T3/es
Priority to EP09702587A priority patent/EP2242595B1/fr
Priority to AT09702587T priority patent/ATE516093T1/de
Priority to PCT/GB2009/000105 priority patent/WO2009090389A1/fr
Priority to BRPI0906763-9A priority patent/BRPI0906763B1/pt
Publication of EP2080570A1 publication Critical patent/EP2080570A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/005—Attaching and registering printing formes to supports
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F9/00—Registration or positioning of originals, masks, frames, photographic sheets or textured or patterned surfaces, e.g. automatically

Definitions

  • This invention relates to printing plates and punches for punching location holes in such plates.
  • printing plates carrying an image to be printed are located on cylinders in a printing machine.
  • the position of the printing plate on the cylinder is critical to allowing the various colours making up the image to be aligned.
  • Many systems employ a series of holes accurately punched in a steel backed plate, which carries the image and these holes are fitted on ground steel pins located on the cylinder.
  • the position of these holes is often controlled by punching holes in the film carrying the image and locating the film before exposure on pins positioned in punch holes in the plate.
  • these systems are functional, they cannot be employed where the image is transferred directly from the digital file to the printing plate without use of photographic film. Similar registration issues can arise with other workpieces, which having working areas that need to be precisely located.
  • the present invention comprises a method of providing registration holes in a workpiece having a defined working area including forming a raised portion on the part of the workpiece not contained within the working area for providing a datum in a first direction and an opening in the raised portion, one wall of the opening providing a datum in the direction of orthogonal to the first.
  • the raised portion may be laser engraved directly from the digital file.
  • the workpiece may be a printing plate and the working area may be an image to be printed.
  • the image may be laser engraved from a digital image file.
  • the raised portion and the image or working area can be formed simultaneously in this way.
  • the invention also includes a workpiece having a working area and a non-working area, the workpiece having a raised portion for providing a datum in the first direction and an opening in the portion, one wall of the opening providing a datum in a direction orthogonal to the first.
  • the opening may be generally central in the raised portion.
  • the workpiece may be generally rectangular and the raised portion may extend parallel to an edge thereof. Additionally or alternatively, the working area may be generally rectangular and the raised portion may extend parallel to an edge thereof.
  • the workpiece may include an area for receiving punched location holes, so punch hole area being spaced from the working area and the raised portion.
  • the workpiece may be a printing plate and the working area may be an image.
  • the image and/or raised portion may be formed by direct laser engraving from a digital file.
  • the invention consists in a punch assembly for punching location holes in a workpiece including a bed for receiving the workpiece, a punch extending along a dimension of the bed and a guide extending at an angle to the punch characterised in that the guide has a proportion overhanging the bed to define a recess for receiving an edge and to define a datum edge against which a raised portion can engage and having a formation for defining a further datum orthogonal to the datum edge.
  • the formation may be in the form of a projection and the projection may be located generally centrally of the datum edge.
  • the invention further includes a method of punching location holes in a workpiece as defined above or formed by a method as set out above including presenting a workpiece to a punch assembly as defined above, such that its raised portion datums engage respective datums on the guide, and punching location holes when the workpiece is so located.
  • a printing plate 10 is illustrated in Figure 1 .
  • the plate 10 is an engraved relief steel backed letter press printing plate, which has an engraved image 11 formed on one part, a raised bar 12 formed on another part.
  • the raised portion 12 consists of a bar extending generally parallel to the image area 11 and an edge of the plate 10.
  • the bar has an opening 14, adjacent at centre, which defines a pair of lateral walls 15.
  • the surface 16 and one of the walls 15 form orthogonal datums, which have positions defined relative to the image area 11.
  • the image in area 11 and the raised portion 12 are formed by direct laser engraving from a digital image file.
  • the printing plate will consist of a steel backing 17 and a polymer engravable upper portion 18 (see Figure 2 ).
  • the portion 18 could be made of any suitable material, including metal.
  • the use of laser engraving not only enables the image and raised portion to be formed directly from the digital image file, it also means that the datum surfaces can be formed with great precision.
  • the datums 15, 16 can be used to locate the plate 10 precisely in two dimensions, having first been located in the third dimension by a support.
  • This support 19 is provided by the base plate or bed of a punch assembly.
  • a guide 20 is mounted on the bed 19 and consists of a base 21, which is mounted on the bed 19, an overhanging portion 22 that defines a recess 23 below it and a lateral projection 24 that extends out of the overhang portion 22 adjacent centre point of the guide 20.
  • a plate 10 can be pushed along the bed 19 towards the guide so that an edge portion 25 can enter the recess 23, allowing the datum surface 16 to engage a datum edge 26 of the overhang 22.
  • the plate 10 is then moved longitudinally to achieve engagement of a longitudinally facing face 27 of the projection 24 against a wall 15. This is achieved by first moving the plate in the direction of the arrow A and then moving the plate in the direction of the arrow B. It will be understood that the plate 10 is now located precisely in all three dimensions by means of a very simple handling operation.
  • a longitudinal movement arrow C in Figure 5 is the reverse of arrow B shown in Figure 3 because the projection 24 is the other way around.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Glass Compositions (AREA)
  • Photoreceptors In Electrophotography (AREA)
EP08000936A 2008-01-18 2008-01-18 Plaques d'impression Withdrawn EP2080570A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP08000936A EP2080570A1 (fr) 2008-01-18 2008-01-18 Plaques d'impression
ES09702587T ES2366021T3 (es) 2008-01-18 2009-01-16 Placas de impresión.
EP09702587A EP2242595B1 (fr) 2008-01-18 2009-01-16 Plaques d'impression
AT09702587T ATE516093T1 (de) 2008-01-18 2009-01-16 Druckplatten
PCT/GB2009/000105 WO2009090389A1 (fr) 2008-01-18 2009-01-16 Plaques d'impression
BRPI0906763-9A BRPI0906763B1 (pt) 2008-01-18 2009-01-16 método de fornecimento de orifícios de registro em uma placa de impressão e peça de trabalho de placa de impressão

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08000936A EP2080570A1 (fr) 2008-01-18 2008-01-18 Plaques d'impression

Publications (1)

Publication Number Publication Date
EP2080570A1 true EP2080570A1 (fr) 2009-07-22

Family

ID=39430701

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08000936A Withdrawn EP2080570A1 (fr) 2008-01-18 2008-01-18 Plaques d'impression
EP09702587A Not-in-force EP2242595B1 (fr) 2008-01-18 2009-01-16 Plaques d'impression

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09702587A Not-in-force EP2242595B1 (fr) 2008-01-18 2009-01-16 Plaques d'impression

Country Status (5)

Country Link
EP (2) EP2080570A1 (fr)
AT (1) ATE516093T1 (fr)
BR (1) BRPI0906763B1 (fr)
ES (1) ES2366021T3 (fr)
WO (1) WO2009090389A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR102012016393A2 (pt) 2012-07-02 2015-04-07 Rexam Beverage Can South America S A Dispositivo de impressão em latas, processo de impressão em latas, lata impressa e blanqueta
ES2842224T3 (es) 2013-06-11 2021-07-13 Ball Corp Procedimiento de impresión usando placas de fotopolímero blando
US9555616B2 (en) 2013-06-11 2017-01-31 Ball Corporation Variable printing process using soft secondary plates and specialty inks
US10086602B2 (en) 2014-11-10 2018-10-02 Rexam Beverage Can South America Method and apparatus for printing metallic beverage container bodies
ES2734983T3 (es) 2014-12-04 2019-12-13 Ball Beverage Packaging Europe Ltd Aparato de impresión
US10549921B2 (en) 2016-05-19 2020-02-04 Rexam Beverage Can Company Beverage container body decorator inspection apparatus
CN109476150B (zh) 2016-07-20 2021-07-02 鲍尔公司 用于对齐装饰器的墨件的系统和方法
US11034145B2 (en) 2016-07-20 2021-06-15 Ball Corporation System and method for monitoring and adjusting a decorator for containers
EP3496952B1 (fr) 2016-08-10 2024-05-29 Ball Corporation Procédé et appareil de décoration d'un récipient métallique par impression numérique sur un blanchet de transfert
US10739705B2 (en) 2016-08-10 2020-08-11 Ball Corporation Method and apparatus of decorating a metallic container by digital printing to a transfer blanket
US11999178B2 (en) 2019-01-11 2024-06-04 Ball Coporation Closed-loop feedback printing system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631753A (en) * 1968-12-11 1972-01-04 Int Standard Electric Corp Material punch
US4018414A (en) * 1975-08-07 1977-04-19 Xerox Corporation Holding fixture
US5454247A (en) * 1993-06-11 1995-10-03 Western Litho Plate & Supply Co. Method of and apparatus for punching and bending a lithographic plate
JPH08243772A (ja) * 1995-03-06 1996-09-24 Komatsu Ltd 加工ヘッドの位置ずれ補正方法および補正装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3473513B2 (ja) * 1999-07-27 2003-12-08 東洋製罐株式会社 缶胴への印刷方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631753A (en) * 1968-12-11 1972-01-04 Int Standard Electric Corp Material punch
US4018414A (en) * 1975-08-07 1977-04-19 Xerox Corporation Holding fixture
US5454247A (en) * 1993-06-11 1995-10-03 Western Litho Plate & Supply Co. Method of and apparatus for punching and bending a lithographic plate
JPH08243772A (ja) * 1995-03-06 1996-09-24 Komatsu Ltd 加工ヘッドの位置ずれ補正方法および補正装置

Also Published As

Publication number Publication date
EP2242595B1 (fr) 2011-07-13
BRPI0906763B1 (pt) 2020-06-30
ATE516093T1 (de) 2011-07-15
BRPI0906763A2 (pt) 2015-07-14
WO2009090389A1 (fr) 2009-07-23
ES2366021T3 (es) 2011-10-14
EP2242595A1 (fr) 2010-10-27

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